feat(武器系统): 调整武器升级逻辑并添加等级显示

- 修改PurpleCrystal和LGBT武器的属性增长系数
- 武器升级时增加等级并调整消耗计算
- 在UI中添加武器等级显示
- 升级后自动更新武器信息

components/UI/WeaponName.tscn

@@ -3,10 +3,10 @@
 [ext_resource type="Theme" uid="uid://bje5cd08dyok7" path="res://themes/bigTextAndBold.tres" id="2_y8dft"]
 [ext_resource type="Script" path="res://scripts/Statemachine/WeaponName.gd" id="3_g750e"]
 
-[sub_resource type="LabelSettings" id="LabelSettings_k3i20"]
+[sub_resource type="LabelSettings" id="LabelSettings_1vypy"]
 font_size = 12
 
-[sub_resource type="LabelSettings" id="LabelSettings_07pas"]
+[sub_resource type="LabelSettings" id="LabelSettings_pyxdw"]
 font_size = 12
 
 [node name="WeaponName" type="HBoxContainer"]
@@ -34,7 +34,7 @@ unique_name_in_owner = true
 layout_mode = 2
 size_flags_vertical = 0
 text = "[普通]"
-label_settings = SubResource("LabelSettings_k3i20")
+label_settings = SubResource("LabelSettings_1vypy")
 
 [node name="label" type="RichTextLabel" parent="."]
 unique_name_in_owner = true
@@ -45,9 +45,19 @@ text = "[b]未命名武器[/b]"
 fit_content = true
 autowrap_mode = 0
 
+[node name="level" type="RichTextLabel" parent="."]
+unique_name_in_owner = true
+layout_mode = 2
+size_flags_vertical = 8
+theme = ExtResource("2_y8dft")
+bbcode_enabled = true
+text = "[b]Lv.1[/b]"
+fit_content = true
+autowrap_mode = 0
+
 [node name="typeTopic" type="Label" parent="."]
 unique_name_in_owner = true
 layout_mode = 2
 size_flags_vertical = 8
 text = "[冲击]"
-label_settings = SubResource("LabelSettings_07pas")
+label_settings = SubResource("LabelSettings_pyxdw")